Anodically fabricated self-organized nanoporous tin oxide film as a supercapacitor electrode material

Self-organized nanoporous tin oxide films were fabricated by anodizing a tin substrate in an aqueous electrolyte containing oxalic or phosphoric acid. The films were characterized using FE-SEM, XRD, XPS, and TGA. In addition, the supercapacitive properties of the porous oxide films were measured usi...

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Bibliographic Details
Published in:RSC advances 2013-01, Vol.3 (24), p.9431-9435
Main Authors: Shinde, Dipak V., Lee, Deok Yeon, Patil, Supriya A., Lim, Iseul, Bhande, Sambhaji S., Lee, Wonjoo, Sung, Myung Mo, Mane, Rajaram S., Shrestha, Nabeen K., Han, Sung-Hwan
Format: Article
Language:English
Subjects:
Anodizing
Aqueous electrolytes
Charge
Discharge
Nanostructure
Oxide coatings
Tin oxides
X-ray photoelectron spectroscopy
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Summary:Self-organized nanoporous tin oxide films were fabricated by anodizing a tin substrate in an aqueous electrolyte containing oxalic or phosphoric acid. The films were characterized using FE-SEM, XRD, XPS, and TGA. In addition, the supercapacitive properties of the porous oxide films were measured using cyclic voltammetry and galvanostatic charge/discharge technique. The film demonstrated a maximum specific capacitance of 274 F g super(-1) with long life in electrochemical charge/discharge cycles.
ISSN:2046-2069
2046-2069
DOI:10.1039/c3ra22721a